Task creation benchmarks added.

Recyclable.Collections.Benchmarks/POC/TaskRunVsTaskFactoryStartNew.Benchmarks.cs

@@ -0,0 +1,63 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Threading.Tasks.Sources;
+using BenchmarkDotNet.Attributes;
+using Microsoft.Extensions.ObjectPool;
+
+namespace Recyclable.Collections.Benchmarks.POC
+{
+	[MemoryDiagnoser]
+    public class TaskRunVsTaskFactoryStartNewBenchmarks
+    {
+		public int NumberOfTasks = 100;
+		private static readonly TaskFactory TaskPool = new();
+
+		[Benchmark]
+		public void OwnTaskFactory()
+		{
+			for (var i = 0; i < NumberOfTasks; i++)
+			{
+				_ = TaskPool.StartNew(() => {});
+			}
+		}
+
+        [Benchmark]
+		public void TaskRun()
+		{
+			for (var i = 0; i < NumberOfTasks; i++)
+			{
+				_ = Task.Run(() => { });
+			}
+		}
+
+        [Benchmark(Baseline = true)]
+		public void TaskFactoryStartNew()
+		{
+			for (var i = 0; i < NumberOfTasks; i++)
+			{
+				_ = Task.Factory.StartNew(() => { });
+			}
+		}
+
+		[Benchmark]
+		public void TaskConstructor()
+		{
+			for (var i = 0; i < NumberOfTasks; i++)
+			{
+				new Task(() => { }).Start();
+			}
+		}
+
+		[Benchmark]
+		public void TaskConstructorWithKnownScheduler()
+		{
+			TaskScheduler scheduler = TaskScheduler.Current;
+			for (var i = 0; i < NumberOfTasks; i++)
+			{
+				new Task(() => { }).Start(scheduler);
+			}
+		}
+    }
+}